● EBSCOhost
● Elsevier BIOBASE
● Embase
● Scopus
● Ovid
● Zentralblatt MATH
● Directory of Open Access Journals (DOAJ)
● Science Citation Index Expanded
● PubMed Central
● EBSCOhost
● Elsevier BIOBASE
● Embase
● Scopus
● Ovid
● Zentralblatt MATH
● Directory of Open Access Journals (DOAJ)
● Science Citation Index Expanded
● PubMed Central